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References for Schwarzer Braunstein | |
| Reference List: - + | BREITHAUPT, A. (1817): Schwarzer Braunstein.- C.A.S. Hoffmann´s Handbuch der Mineralogie, Vol. 4.1., Freiberg, Verl. Craz & Gerlach, p. 149-151 |
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Internet Links for Schwarzer Braunstein | |
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